Closet bowl ventilator



1957 J. P. M FADDEN CLOSET BOWL VENTILATOR Filed April 21, 1953 INVENTOR United States Patent CLOSET BOWL VENTILATOR John P. McFadden, Sioux City, Iowa Application April 21, 1953, Serial No. 355,527

2 Claims. (Cl. 4-213) This invention relates to closet bowl ventilators.

A principal object of this invention is to provide, a novel ventilation system so connected to the closet as to make it possible to withdraw air from closet bowl without altering or attaching thereto any objectional visual device.

Another object is to provide a novel closet bowl ventilator so constructed as to make it possible to install said closet bowl ventilator on the modern close coupled closet.

Another object is to provide a closet bowl ventilator that requires no altering of the water tank mechanism.

Another object is to provide a closet bowl ventilator so constructed that it can be installed regardless of obstructions in wall behind said closet.

Another object is to provide a closet bowl ventilator using an electric motor exhaust fan to remove air from said closet bowl through said closet bowl water flushing system.

Another object is to provide a closet bowl ventilator that does not interfere with sanitary requirements.

A further object of my invention is to provide an electric closet bowl ventilator controlled by means of a switch on the seat and/or a wall mounted switch (not illustrated).

Another object is to provide a closet bowl ventilator so constructed that it requires no altering or drilling of porcelain material from which said closets are manufactored.

Figure 1 is a plan view of my closet bowl ventilator illustrated as mounted on a closet.

Figure 2 is a detailed view of my closet bowl ventilator with shield in position.

Figure 1: The reference numeral 1 indicates a cross section of my device as installed on closet. 2 indicates the beveled top surface. 3 indicates the concave channel embodied in 1. 5 indicates the air exhaust. 14 indicates the air exhaust vent stack. 8-8 indicate water flushing system of bowl through which air is exhausted into chamber 9 through 4 into air exhaust 5. 10 indicates that part of my closet bowl'ventilator device that serves as an auxiliary support for water tank and also fills in the space made by separating tank and bowl to insert 1. (10 is hereinafter referred to as the shield.) 13-43- 13-13 indicate gaskets shaped to beveled top surfaces 2-2A. 12 indicates water flushing chamber. 18 indicates ball check valve in tank 19. 17 indicates water 2,777,137 Patented Jan. 15, 1957 seal in bowl 20. 15 indicates fan. 16 indicates electric motor.

Figure 2: The reference numeral 1 indicates a perspective view of my ventilator. 2 indicates beveled top. 3 indicates the concave channel giving greater area to chamber. 12. 5 indicates air exhaust. Said air exhaust 5 is directly connected to concave channel 3; through 3 to water flushing chamber 12. 10 indicates enclosure structure in position around front or visible part of 1. 11 indicates mounting holes.

4 indicates connection between concave channel 3 and exhaust 5. 7 indicates protruding tubular portion. 6 indicates shoulder.

What I claim and desire to secure by Letters Patent is:

l. The combination with a toilet bowl having an upwardly facing water inlet opening and a flush tank having a flush water tube extending through the bottom thereof, the bowl and tankforming the elements of a closecoupled toilet assembly, of a ventilating fitting which spaces said bowl and tank apart, comprising a flat annular body inserted between said bowl and tank, with the flush water tube extending into the central opening of the body, the upper surface of the body surrounding the opening sloping upwardly and outwardly to the outer circumference of said tubular body and forming a seat .for a bevel washer carried by said flush water tube, a

concave circumferential channel formed in the inner wall of the annular body and extending completely around the side of the opening below the inner termination of said sloping portion, an integral air exhaust tubular portion formed on the outer side of said body and adapted to be connected to an air exhaust vent pipe of a suction producing device, said tubular portion communicating with the concave circumferential channel, the lower portion of the body being of reduced diameter to form a shoulder having the flat, horizontal portion facing downwardly in the axial direction of said opening, and a protruding tubular portion extending into the upwardly facing water inlet opening of the bowl and carrying a bevel washer, the protruding tubular portion and bevel Washer centering and sealing the fitting to said bowl.

2. The combination of claim 1 including a shield for the fitting, said shield including a rectangular structure of sheet material, open on one long side and closed across the top and bottom, the closed top and bottom surfaces being cut out inwardly from the open side and equidistant from the ends to fit about the fitting, the topand bottom surfaces having holes spaced between the cut out portion and the ends and receiving the bolts which secure the flush tank to the bowl.

References Cited in the file of this patent UNITED STATES PATENTS 1,236,184 Klemme Aug. 7, 1917 1,629,693 I Foltz May 24, 1927 2,108,625 Tilden Feb. 15, 1938 2,351,560 Thompson et al June 13, 1944 2,451,108 Molpus Oct. 12, 1948 2,575,905 Boosey Nov. 20, 1951 2,590,471 Smith M81. 25, 1952 

